ROWAN COMPANIES Interview Questions and Answers

Q1. I m waiting for your valuable response ...!!
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Q2. I m excited to join
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Q3. I m Cctv Automation engineer
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Q4. Currently I m working in Mundra
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Q1. I am Gulrez Alam
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Q1. I do to hard work
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Q2. I am working continue
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Q1. I want to hard work
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Q2. I do continue job
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Q1. What is ETL, and can you explain it in a structured manner?
Ans. 
ETL stands for Extract, Transform, Load. It is a process used to extract data from various sources, transform it into a consistent format, and load it into a target database or data warehouse.
• Extract: Involves extracting data from different sources such as databases, files, APIs, etc.

• Transform: Data is cleaned, validated, and transformed into a consistent format suitable for analysis.

• Load: The transformed data is loade...read more
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Q2. What is the correct structure of a DBMS diagram?
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The correct structure of a DBMS diagram includes entities, attributes, relationships, and keys.
• Entities represent the main objects in the database (e.g. Customer, Product).

• Attributes are characteristics of entities (e.g. CustomerID, ProductName).

• Relationships show how entities are related to each other (e.g. one-to-many, many-to-many).

• Keys uniquely identify each record in a table (e.g. Primary Key, Foreign Key).
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Q1. Strengths,weakness,why do we hire you, what are your hobbies
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Q1. How do you find middle of linkedlist
Ans. 
To find the middle of a linked list, use the slow and fast pointer technique.
• Initialize two pointers, slow and fast, at the head of the linked list.

• Move the slow pointer by one node and the fast pointer by two nodes until the fast pointer reaches the end of the list.

• The node pointed to by the slow pointer at this point is the middle of the linked list.
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Q2. What is anr how to prevent
Ans. 
ANR stands for Application Not Responding, it occurs when the main UI thread is blocked for too long.
• ANR can be prevented by offloading long-running tasks to background threads or services.

• Optimizing code and reducing UI thread workload can also help prevent ANR.

• Using tools like StrictMode can help identify potential ANR issues during development.
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Q3. Basic of kotlin
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Q4. Threading and its method
Ans. 
Threading in Android allows multiple tasks to run concurrently, improving performance and responsiveness.
• Threading can be implemented using classes such as AsyncTask, Handler, and Thread.

• AsyncTask is used for short background tasks that need to update the UI, while Handler is used for communication between threads.

• Thread is a low-level way to create a new thread for longer background tasks.

• Care must be taken to avoid m...read more
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Q5. Relative layout and linear layout
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Q6. Databinding and viewbinding
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Q7. MVVM Related qustions
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Q8. Dependency injections and use
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Q9. Arraylist vs linklist
Ans. 
ArrayList is faster for accessing elements, while LinkedList is better for frequent insertions and deletions.
• ArrayList uses an array to store elements, allowing for fast random access but slower insertions and deletions.

• LinkedList uses nodes with references to the next and previous elements, making insertions and deletions faster but access slower.

• For example, if you need to frequently add or remove elements in the mid...read more
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ChatGpt will replace the employment

Q1. BASIC ACCOUNTING QUESTIONS
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Q2. JOURNAL ENTERIES
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Q3. SUITATION BASED QUESTIONS
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Q1. PERSONAL QUESTIONS
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Q1. What kind of clients you handle
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Q2. How you generate the leads
Ans. 
I generate leads through a combination of digital marketing strategies, networking events, and referrals.
• Utilize social media platforms to create targeted ads and engage with potential leads

• Attend industry conferences and trade shows to network and generate leads

• Ask satisfied customers for referrals to expand the lead pool
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Q3. How many sales call you do per day
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Q1. TYPES OF DETECTORS AND COVERAGE AREA OF HEAT DETECTOR
Ans. 
Heat detectors are devices that sense abnormally high temperatures and are typically used in areas where smoke detectors may not be suitable.
• Types of heat detectors include fixed temperature detectors, rate-of-rise detectors, and combination detectors.

• Fixed temperature detectors activate when a specific temperature is reached.

• Rate-of-rise detectors activate when the temperature increases rapidly.

• Combination detectors c...read more
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Q2. DIFFERENCE BETWEEN NWC,NWF AND NWD
Ans. 
NWC, NWF, and NWD are different file formats used in BIM modeling.
• NWC (Navisworks Cache) is a lightweight file format used for sharing models with stakeholders who do not have access to the original software.

• NWF (Navisworks File) is a project file format that references multiple NWD files and allows for collaboration and coordination.

• NWD (Navisworks Document) is a published file format that contains all the data and ge
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Q1. Describe your project.
Ans. 
Developed a web-based application for tracking and managing project tasks.
• Used React.js for front-end development

• Implemented RESTful APIs using Node.js and Express

• Utilized MongoDB for database storage

• Integrated authentication and authorization using JWT tokens
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Q2. Why you are interested in this role?
Ans. 
I am interested in this role because I am passionate about combining software development and operations to improve efficiency and reliability.
• Passionate about DevOps principles and practices

• Excited about automating processes and improving efficiency

• Interested in working with cutting-edge technologies like Docker and Kubernetes
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Q1. Regarding cleaning
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Q2. Data processing
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Q1. Senior manger doesnt have any knowledge
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Q2. He asks only cleaning part
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